""ET TROJAN Earth Preta PUBLOAD Activity M2""

SID: 2050511

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2024_01_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_26

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "POST /v11/2/windowsupdate/redir/v6-winsp1-wuredir?" Depth: 50

• Value: "User-Agent:Windows-Update-Agent"

• Value: "FwMD" Depth: 4

Within:

PCRE: "/^\d{9}/R"

Special Options:

• http_header

• fast_pattern

• http_client_body

source